Property Tables

Rebar Properties

 

English Units
Rebar Name Nominal Dia. (inch) Actual Dia. (inch) Area (inch2)
#3 0.375 0.375 0.11
#4 0.500 0.500 0.20
#5 0.625 0.625 0.31
#6 0.750 0.750 0.44
#7 0.875 0.875 0.60
#8 1.000 1.000 0.79
#9 1.125 1.128 1.00
#10 1.250 1.270 1.27
#11 1.375 1.410 1.56

 

SI Units
Rebar Name Nominal Dia. (mm) Actual Dia. (mm) Area (mm2)
10M 10 11.3 100
15M 15 16.0 200
20M 20 19.5 300
25M 25 25.2 500
30M 30 29.9 700
35M 35 35.7 1000

 

Masonry Properties (based on full mortar bed)

 

Effective Thickness (inch)
  Nominal Unit Thickness (inch)
Grout Spacing 6 8 10 12 14 16
8″ 5.625 7.625 9.625 11.625 13.625 15.625
16″ 4.500 5.800 7.200 8.500 9.900 11.600
24″ 4.100 5.200 6.300 7.500 8.700 10.100
32″ 3.900 4.900 5.900 7.000 8.100 9.500
40″ 3.800 4.700 5.700 6.700 7.600 8.600
48″ 3.700 4.600 5.500 6.500 7.400 8.300

 

I Gross (inch4)
  Nominal Unit Thickness (inch)
Grout Spacing 6 8 10 12 14 16
8″ 177.98 443.32 891.67 1571.01 2529.35 3814.70
16″ 160.86 394.95 774.89 1340.43 2098.30 3091.52
24″ 155.15 378.82 735.96 1263.57 1954.61 2850.47
32″ 152.30 370.76 716.50 1225.14 1882.77 2729.94
40″ 150.59 365.92 704.82 1202.08 1839.66 2657.62
48″ 149.45 362.70 697.03 1186.71 1810.93 2609.41

 

Radius of Gyration (inch)
  Nominal Unit Thickness (inch)
Grout Spacing 6 8 10 12 14 16
8″ 1.624 2.201 2.779 3.356 3.933 4.511
16″ 1.726 2.382 2.995 3.625 4.203 4.713
24″ 1.776 2.464 3.120 3.747 4.327 4.850
32″ 1.804 2.511 3.181 3.819 4.401 4.894
40″ 1.817 2.547 3.210 3.867 4.491 5.075
48″ 1.835 2.563 3.250 3.901 4.516 5.118

 

Light Weight Block Weight (lbs/ft)
  Nominal Unit Thickness (inch)
Grout Spacing 6 8 10 12 14 16
8″ 52 75 93 118 136 157
16″ 41 60 69 88 98 111
24″ 37 55 61 79 85 96
32″ 36 52 57 74 78 88
40″ 35 50 55 71 74 83
48″ 34 45 53 69 72 80

 

Medium Weight Block Weight (lbs/ft)
  Nominal Unit Thickness (inch)
Grout Spacing 6 8 10 12 14 16
8″ 58 78 98 124 142 164
16″ 47 63 80 94 104 118
24″ 43 58 72 85 91 102
32″ 42 55 68 80 84 94
40″ 41 53 66 77 80 90
48″ 40 49 64 75 78 87

 

Normal Weight Block Weight (lbs/ft)
  Nominal Unit Thickness (inch)
Grout Spacing 6 8 10 12 14 16
8″ 63 84 104 133 155 175
16″ 52 66 86 103 114 129
24″ 48 61 78 94 101 113
32″ 47 58 74 89 94 106
40″ 46 56 72 86 91 101
48″ 45 55 70 83 88 98

 

Rebar Depth
Nominal Unit Thickness (inch) Center
(inch)		 Edge
(inch)
6 2.8125 2.125
8 3.8125 2.375
10 4.8125 2.625
12 5.8125 2.625
14 6.8125 2.625
16 7.8125 2.625